149401722 has 16 divisors (see below), whose sum is σ = 301546080. Its totient is φ = 49343472.

The previous prime is 149401717. The next prime is 149401723. The reversal of 149401722 is 227104941.

It is a self number, because there is not a number n which added to its sum of digits gives 149401722.

It is not an unprimeable number, because it can be changed into a prime (149401723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113568 + ... + 114875.

It is an arithmetic number, because the mean of its divisors is an integer number (18846630).

Almost surely, 2^149401722 is an apocalyptic number.

149401722 is an abundant number, since it is smaller than the sum of its proper divisors (152144358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149401722 is a wasteful number, since it uses less digits than its factorization.

149401722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228557.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 149401722 is about 12222.9997136546. Note that the first 3 decimals coincide. The cubic root of 149401722 is about 530.6219375074.

The spelling of 149401722 in words is "one hundred forty-nine million, four hundred one thousand, seven hundred twenty-two".